Home / 8,464.02-12,696.06-2,619.90

Finding the Fourth Proportional to 8,464.02, 12,696.06 and 2,619.90

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Solution

The fourth proportional to 8,464.02, 12,696.06 and 2,619.90 is: 3,929.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464.02 : 12,696.06 = 2,619.90 : x
  2. Step 2: Convert to fraction form
    8,464.02/12,696.06 = 2,619.90/x
  3. Step 3: Cross multiply
    8,464.02x = 12,696.06 × 2,619.90
  4. Step 4: Simplify right side
    8,464.02x = 33,262,407.59
  5. Step 5: Solve for x
    x = 33,262,407.59/8,464.02
  6. Step 6: Final answer
    x = 3,929.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.